* Please note, this system is for motorcycles that have NOT been converted to Delphi. These units are intended to work with the stock Marelli EFI system.

This product is intended for "RACE READY" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements. In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for "STREET APPROVED" & ARB compliant produ